40140251016 has 64 divisors (see below), whose sum is σ = 100825560000. Its totient is φ = 13316864256.

The previous prime is 40140251003. The next prime is 40140251057. The reversal of 40140251016 is 61015204104.

It is a happy number.

It is a super-2 number, since 2×40140251016² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7931895 + ... + 7936953.

It is an arithmetic number, because the mean of its divisors is an integer number (1575399375).

Almost surely, 2^40140251016 is an apocalyptic number.

It is an amenable number.

40140251016 is an abundant number, since it is smaller than the sum of its proper divisors (60685308984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40140251016 is a wasteful number, since it uses less digits than its factorization.

40140251016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566 (or 6562 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 40140251016 in words is "forty billion, one hundred forty million, two hundred fifty-one thousand, sixteen".